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package urpm::get_pkgs;
# $Id$
use urpm::msg;
use urpm::sys;
use urpm::util;
use urpm::media;
use urpm 'file_from_local_url';
#- select sources for selected packages,
#- according to keys of the packages hash.
#- returns a list of lists containing the source description for each rpm,
#- matching the exact number of registered media; ignored media being
#- associated to a null list.
sub selected2list {
my ($urpm, $packages, %options) = @_;
my (%protected_files, %local_sources, %fullname2id);
#- build association hash to retrieve id and examine all list files.
foreach (keys %$packages) {
foreach (split /\|/, $_) {
if ($urpm->{source}{$_}) {
$protected_files{$local_sources{$_} = $urpm->{source}{$_}} = undef;
} else {
$fullname2id{$urpm->{depslist}[$_]->fullname} = $_ . '';
}
}
}
#- examine each medium to search for packages.
#- now get rpm file name in hdlist to match list file.
my %file2fullnames;
foreach my $pkg (@{$urpm->{depslist} || []}) {
$file2fullnames{$pkg->filename}{$pkg->fullname} = undef;
}
if ($options{clean_all}) {
#- clean download directory, do it here even if this is not the best moment.
$urpm->{log}(N("cleaning %s and %s", "$urpm->{cachedir}/partial", "$urpm->{cachedir}/rpms"));
urpm::sys::clean_dir("$urpm->{cachedir}/partial");
urpm::sys::clean_dir("$urpm->{cachedir}/rpms");
}
#- examine the local repository, which is trusted (no gpg or pgp signature check but md5 is now done).
foreach my $filepath (glob("$urpm->{cachedir}/rpms/*")) {
next if -d $filepath;
if (! -s $filepath) {
unlink $filepath; #- this file should be removed or is already empty.
} else {
my $filename = basename($filepath);
my @fullnames = keys(%{$file2fullnames{$filename} || {}});
if (@fullnames > 1) {
$urpm->{error}(N("there are multiple packages with the same rpm filename \"%s\"", $filename));
} elsif (@fullnames == 1 &&
defined(my $id = delete $fullname2id{$fullnames[0]})) {
$local_sources{$id} = $filepath;
} else {
$options{clean_other} && ! exists $protected_files{$filepath} and unlink $filepath;
}
}
}
my ($error, @list_error, @list, %examined);
foreach my $medium (@{$urpm->{media} || []}) {
my (%sources, %list_examined, $list_warning);
if (urpm::media::is_valid_medium($medium) && !$medium->{ignore}) {
#- always prefer a list file if available.
if ($medium->{list}) {
if (-r urpm::media::statedir_list($urpm, $medium)) {
foreach (cat_(urpm::media::statedir_list($urpm, $medium))) {
chomp;
if (my ($filename) = m!([^/]*\.rpm)$!) {
if (keys(%{$file2fullnames{$filename} || {}}) > 1) {
$urpm->{error}(N("there are multiple packages with the same rpm filename \"%s\"", $filename));
next;
} elsif (keys(%{$file2fullnames{$filename} || {}}) == 1) {
my ($fullname) = keys(%{$file2fullnames{$filename} || {}});
if (defined(my $id = $fullname2id{$fullname})) {
if (!/\.delta\.rpm$/ || $urpm->is_delta_installable($urpm->{depslist}[$id], $urpm->{root})) {
$sources{$id} = "$medium->{url}/$filename";
}
}
$list_examined{$fullname} = $examined{$fullname} = undef;
}
} else {
chomp;
$error = 1;
$urpm->{error}(N("unable to correctly parse [%s] on value \"%s\"", urpm::media::statedir_list($urpm, $medium), $_));
last;
}
}
} else {
# list file exists but isn't readable
# report error only if no result found, list files are only readable by root
push @list_error, N("unable to access list file of \"%s\", medium ignored", $medium->{name});
$< and push @list_error, " " . N("(retry as root?)");
next;
}
}
if (defined $medium->{url}) {
foreach ($medium->{start} .. $medium->{end}) {
my $pkg = $urpm->{depslist}[$_];
my $fi = $pkg->filename;
if (keys(%{$file2fullnames{$fi} || {}}) > 1) {
$urpm->{error}(N("there are multiple packages with the same rpm filename \"%s\"", $fi));
next;
} elsif (keys(%{$file2fullnames{$fi} || {}}) == 1) {
my ($fullname) = keys(%{$file2fullnames{$fi} || {}});
unless (exists($list_examined{$fullname})) {
++$list_warning;
if (defined(my $id = $fullname2id{$fullname})) {
if ($fi !~ /\.delta\.rpm$/ || $urpm->is_delta_installable($urpm->{depslist}[$id], $urpm->{root})) {
$sources{$id} = "$medium->{url}/" . $fi;
}
}
$examined{$fullname} = undef;
}
}
}
$list_warning && $medium->{list} && -r urpm::media::statedir_list($urpm, $medium) && -f _
and $urpm->{error}(N("medium \"%s\" uses an invalid list file:
mirror is probably not up-to-date, trying to use alternate method", $medium->{name}));
} elsif (!%list_examined) {
$error = 1;
$urpm->{error}(N("medium \"%s\" does not define any location for rpm files", $medium->{name}));
}
}
push @list, \%sources;
}
#- examine package list to see if a package has not been found.
foreach (grep { ! exists($examined{$_}) } keys %fullname2id) {
# print list errors only once if any
$urpm->{error}($_) foreach @list_error;
@list_error = ();
$error = 1;
$urpm->{error}(N("package %s is not found.", $_));
}
$error ? @{[]} : (\%local_sources, \@list);
}
# TODO verify that files are downloaded from the right corresponding media
#- options: quiet, callback,
sub download_packages_of_distant_media {
my ($urpm, $list, $sources, $error_sources, %options) = @_;
#- get back all ftp and http accessible rpm files into the local cache
foreach my $n (0..$#$list) {
my %distant_sources;
#- ignore media that contain nothing for the current set of files
values %{$list->[$n]} or next;
#- examine all files to know what can be indexed on multiple media.
while (my ($i, $url) = each %{$list->[$n]}) {
#- the given URL is trusted, so the file can safely be ignored.
defined $sources->{$i} and next;
my $local_file = file_from_local_url($url);
if ($local_file && $local_file =~ /\.rpm$/) {
if (-r $local_file) {
$sources->{$i} = $local_file;
} else {
$error_sources->{$i} = $local_file;
}
} elsif ($url =~ m!^([^:]*):/(.*/([^/]*\.rpm))\Z!) {
$distant_sources{$i} = "$1:/$2"; #- will download now
} else {
$urpm->{error}(N("malformed URL: [%s]", $url));
}
}
if (%distant_sources && ! -w "$urpm->{cachedir}/partial") {
$urpm->{error}(N("sorry you can't --install-src remote .src.rpm files"));
exit 1;
}
#- download files from the current medium.
if (%distant_sources) {
$urpm->{log}(N("retrieving rpm files from medium \"%s\"...", $urpm->{media}[$n]{name}));
if (urpm::download::sync($urpm, $urpm->{media}[$n], [ values %distant_sources ],
quiet => $options{quiet}, resume => $urpm->{options}{resume}, callback => $options{callback})) {
$urpm->{log}(N("...retrieving done"));
} else {
$urpm->{error}(N("...retrieving failed: %s", $@));
}
#- clean files that have not been downloaded, but keep in mind
#- there have been problems downloading them at least once, this
#- is necessary to keep track of failing downloads in order to
#- present the error to the user.
foreach my $i (keys %distant_sources) {
my ($filename) = $distant_sources{$i} =~ m|/([^/]*\.rpm)$|;
if ($filename && -s "$urpm->{cachedir}/partial/$filename" &&
URPM::verify_rpm("$urpm->{cachedir}/partial/$filename", nosignatures => 1))
{
#- it seems the the file has been downloaded correctly and has been checked to be valid.
unlink "$urpm->{cachedir}/rpms/$filename";
urpm::util::move("$urpm->{cachedir}/partial/$filename", "$urpm->{cachedir}/rpms/$filename");
-r "$urpm->{cachedir}/rpms/$filename" and $sources->{$i} = "$urpm->{cachedir}/rpms/$filename";
}
unless ($sources->{$i}) {
$error_sources->{$i} = $distant_sources{$i};
}
}
}
}
#- clean failed download which have succeeded.
delete @$error_sources{keys %$sources};
1;
}
1;
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